361640068 has 6 divisors (see below), whose sum is σ = 632870126. Its totient is φ = 180820032.

The previous prime is 361640051. The next prime is 361640077. The reversal of 361640068 is 860046163.

It can be written as a sum of positive squares in only one way, i.e., 359785024 + 1855044 = 18968^2 + 1362^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45205005 + ... + 45205012.

Almost surely, 2^361640068 is an apocalyptic number.

It is an amenable number.

361640068 is a deficient number, since it is larger than the sum of its proper divisors (271230058).

361640068 is a wasteful number, since it uses less digits than its factorization.

361640068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90410021 (or 90410019 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 361640068 is about 19016.8364351172. The cubic root of 361640068 is about 712.4573109953.

The spelling of 361640068 in words is "three hundred sixty-one million, six hundred forty thousand, sixty-eight".